14 REPORT ON INJURIOUS INSECTS FOR 1904. 



Roses were attacked early in June, and trees full of buds 

 never flowered, or only here and there a bud developed. 



The Froth Fly, known also as Cuckoo-Spit, Frog-Spit, Frog 

 Hopper, etc., belongs to that order of Insects known as Hemip- 

 tera. Very erroneous ideas have been published as to its life- 

 history, and very ridiculous measures suggested for its exter- 

 mination. 



Experiments were made with a number of sprayfluids of 

 which the following gave the best results : 5 Ibs. of soft soap, 5 

 gallons of water, and J- Ib. of tobacco, the whole to be well boiled 

 together, and when applied, add three gallons of water to every 

 gallon of the mixture. 



THE APPLE SUCKER. 



Psylla mah\ Forster. 



Numerous inquiries were received early in May concerning 

 this pest, which during the past year has proved very trouble- 

 some in the Midland Counties. 



to. - 



FIG. V. THE APPLE SUCKER (Psylla mail}. 



i. Larva, natural size. \a. Larva after third moult, much magrified. 

 2. Perfect insect, natural size. 2*7. The same, much magnified. 



Very often growers are not aware of its presence in their 

 orchards, I find, the damage being put down to the action of 

 fungi, etc. In nearly all the cases I have seen the leaves were 

 wrinkled and curly, pale in colour, and had a white frosty appear- 

 ance. The blossom buds were more severely attacked than 

 the leaves, and never fully^ expanded. The pupae were found 



